Emmy Rossum Sings for a Hot Dog on 'Conan'

Emmy Rossum is white hot in Cynthia Rowley as she drops by Conan on an episode airing Wednesday (January 4).

The 25-year-old actress chatted about her Showtime drama Shameless and showed off her singing skills by singing an opera song for a hot dog. Emmy was even listed as a global trending topic on Twitter after appearance!